1,3,5-Triazine-2,4-diamine, 6-(1-methylethyl)- 5397-04-6 ENT 22657 Isobutyroguanamine NSC4425 s-Triazine, 2,4-diamino-6-(2-propyl) s-Triazine, 2,4-diamino-6-isopropyl-